What is the Greatest Common Factor of 18407 and 18426?

Greatest common factor (GCF) of 18407 and 18426 is 1.

GCF(18407,18426) = 1

We will now calculate the prime factors of 18407 and 18426, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18407 and 18426.

How to find the GCF of 18407 and 18426?

We will first find the prime factorization of 18407 and 18426. After we will calculate the factors of 18407 and 18426 and find the biggest common factor number .

Step-1: Prime Factorization of 18407

Prime factors of 18407 are 79, 233. Prime factorization of 18407 in exponential form is:

18407 = 79¹ × 233¹

Step-2: Prime Factorization of 18426

Prime factors of 18426 are 2, 3, 37, 83. Prime factorization of 18426 in exponential form is:

18426 = 2¹ × 3¹ × 37¹ × 83¹

Step-3: Factors of 18407

List of positive integer factors of 18407 that divides 18407 without a remainder.

1, 79, 233

Step-4: Factors of 18426

List of positive integer factors of 18426 that divides 18407 without a remainder.

1, 2, 3, 6, 37, 74, 83, 111, 166, 222, 249, 498, 3071, 6142, 9213

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18407 and 18426. The biggest common factor number is the GCF number.
So the greatest common factor 18407 and 18426 is 1.

Also check out the Least Common Multiple of 18407 and 18426